Allen-Bradley 2755-DS1A Product Data page 30

Product Data
Bulletin 2755
Single/Dual-Head Enhanced Bar Code Decoders
Point-to-Point Link using Flexible Interface Module
RS-232, RS-422, or DH485 (point-to-point)
Flexible Interface
Module with
2760-SFC1 or -SFC2
Protocol Cartridge
PLC
Processor
2755–DD1A/4A
Decoder
Flexible Interface Module
with
2760-SFC2 Protocol
Cartridge
2755–DD1A/4A
Decoder
31
SLC 5/03 Controller Multidrop
Using DH485 Datalink
1746 1/O Rack
2755–DD1A/4A 2755–DD1A/4A
Decoder Decoder
31 2
30
Figure 5
PLC Controller Configurations
. . .
. . 1771-1/O
Rack
2755–DD1A/4A 2755–DD1A/4A
Decoder Decoder
Multi-drop Link using Flexible Interface Module
and DH485 Data Link
PLC
Processor
2755–DD1A/4A 2755–DD1A/4A
Decoder Decoder
2 1
SLC 5/03
Controller
2755–DD1A/4A
Decoder
1
Point-to-Point Link using PLC-5 family processor
with serial ASCII port.
PLC
Processor
2755–DD1A/4A
Decoder
. . .
. . 1771-1/O
Rack
2755–DD1A/4A 2755–DD1A/4A
Decoder Decoder
1 2
2755–DD1A/4A 2755–DD1A/4A
Decoder Decoder
1 2
PLC with ASCII or BASIC Module to
Decoder using RS-232
Catalog No. 1771-DA
ASCII I/O Module
PLC Processor
2755–DS/DD
Decoder
Requires BASIC Driver for communications between
1771-DB BASIC Module and Bar Code Decoder.
1771-1/O
Rack
2755-CY1 with NEMA Type 4 device
or
2760-A485 connectors with
NEMA Type 1 device
2755–DD1A/4A
Decoder
31
2755–DD1A/4A
Decoder
31
1 1
7 7
7 7
1 1
D D
A B
Catalog No. 1771-DB
BASIC I/O Module
2755–DS/DD
Decoder